CN104020530B - A kind of fiber coupler - Google Patents
A kind of fiber coupler Download PDFInfo
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- CN104020530B CN104020530B CN201410242555.7A CN201410242555A CN104020530B CN 104020530 B CN104020530 B CN 104020530B CN 201410242555 A CN201410242555 A CN 201410242555A CN 104020530 B CN104020530 B CN 104020530B
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- optical fiber
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Abstract
The present invention discloses a kind of fiber coupler, comprises Optical fiber plug, fiber-optical socket and detection module, and described Optical fiber plug is plugged in fiber-optical socket; Described fiber-optical socket comprises symmetrically arranged front socket body and rear socket body, described front socket body and rear socket body are symmetrical arranged taking demarcation strip as symmetrical plate, are provided with the suitable optical fiber container cavity of connection front socket body and rear socket body and shape and optical fiber in the middle part of described demarcation strip; Described front socket body interior offers plug container cavity; Described front coupler bottom is also formed with the detection hole of inserting fixing insertion groove and inserting for detection terminal for detection module. Fiber-optical socket of the present invention, Optical fiber plug and fiber detection module are fixedly connected with by structures such as plug, container cavity, detection holes, and syndeton is more simple and overall structure is more compact.
Description
Technical field
The present invention relates to optical fiber technology field, relate in particular to a kind of fiber coupler.
Background technology
Fiber coupler is the device removably connecting between optical fiber and optical fiber, and it isAccurate two end faces of optical fiber docking is got up, so that the light energy energy of launching fiber outputBe coupled to greatest extent to receive in optical fiber and go, thereby and make it get involved optical link to systemIt is minimum that the impact causing is reduced to.
Existing fiber coupler, the China that for example application number is CN201010207250.4Patent " fiber adapter ", it is fixedly connected with two light with the second cover plate by the first cover plateFibre, has saved porcelain bushing. But this kind of connected mode less stable, fixed effectBad.
The Chinese patent " fiber adapter " that and for example application number is CN201210426790.0,It arranges mounting groove at shell middle part, in mounting groove by configuring in the enclosure sleeveThe flange that setting is made of plastics arranges installing hole on flange, and this kind of mode reducedThe use amount of copper material, but this kind of connected mode stability is still poor.
For another example the Chinese patent " fiber adapter " that application number is CN201310397809.8,It arranges similar hexagonal mounting groove with fixed fiber, still in fiber coupler insideThis kind of mode stability maintenance is still poor.
Summary of the invention
Technical problem to be solved by this invention is, for the above-mentioned deficiency of prior art,The good fiber coupler of a kind of stability is proposed.
The technical scheme that the present invention solves its technical problem employing is to propose a kind of optical fiber couplingClose device, it comprises Optical fiber plug, fiber-optical socket and detection module, described Optical fiber plugBe plugged in fiber-optical socket; Described fiber-optical socket comprise symmetrically arranged front socket body andRear socket body, described front socket body and rear socket body are taking demarcation strip as symmetrical plate pairClaim to arrange, described demarcation strip middle part be provided be communicated with front socket body and rear socket body andThe optical fiber container cavity that shape and optical fiber are suitable; Described front socket body interior offers slottingContainer cavity; Described front coupler bottom is also formed with for detection module inserts fixing insertingThe detection hole that enters groove and insert for detection terminal.
Further, described Optical fiber plug comprises header body, optical fiber and optical fiber cover,Described optical fiber cover is sheathed on optical fiber and is plugged in header body; In described header bodySide be provided with shell fragment, described shell fragment comprises square cushion block, by square cushion block sloped-end toThe tongue of upper extension, described tongue and square cushion block contact-making surface are the arc surface caving inward,Described tongue both sides form two lugs, and described tongue end is upwards extended with lug boss; InstituteState the divider that plug container cavity is arranged at plug container cavity two madial walls and be divided into shapeWith the suitable header body container cavity of header body and shape and the suitable shell fragment of shell fragmentContainer cavity; Described shell fragment container cavity comprises shape and the suitable square cushion block of square cushion blockThe tongue container cavity that container cavity and shape and tongue are suitable.
Further, described header body container cavity front end face is the arc surface caving inward.
Further, in described header body, be formed with front cylindrical hole and rear cylindricalThrough hole, and be arranged at the optical fiber clamping between front cylindrical hole and rear cylindrical holePortion; Described optical fiber Access Division comprises the hexagonal hole that forms ladder with front cylindrical hole,The described hexagonal hole base formation transition part that extends internally respectively, described transition part base withBetween rear cylindrical hole, connect by arc connecting portion; Described optical fiber cover middle part forms logicalHole, optical fiber cover middle part is shaped as the hexagon matching with described hexagonal hole, described lightOne side outer end, fine cover middle part extends to form rake to optical fiber outer surface, opposite side the innerPortion extends to form coated portion to optical fiber outer surface; When grafting, described optical fiber middle part is plugged inIn described hexagonal hole, described rake is plugged in described transition part.
Further, described detection module comprises pedestal, and described pedestal comprises the first wall,The second wall being extended downward vertically by the relative dual-side of the first wall and the 3rd wall, and byOne wall, the second wall and the 3rd wall bottom surface are connected and thickness is greater than the first wall, the second wall andThe base of three walls; Base, the first wall, the second wall and the 3rd wall surround accommodating cavity; FirstThe extension of wall front end face is provided with many and extends bars, between adjacent extension bar, forms the first detectionTerminal holding tank; Described the first wall inner surface is also provided with the second detection terminal accommodation section,Described the second detection terminal accommodation section front end forms fluting, and in main part, being formed with connection shouldThe groove of fluting and perforation main part and base;
Multiple the first detection terminals, described multiple the first detection terminals comprise shaped as frame head withAnd the first bar shaped Plug Division; On described base, offer corresponding with the first bar shaped Plug DivisionMultiple the first inserting grooves; When grafting, shaped as frame head is positioned at the first detection terminal holding tankIn, the first bar shaped Plug Division is plugged in the first inserting groove and stretches out the first inserting groove;
The second detection terminal, described the second detection terminal comprises square head portion and Article 2Shape Plug Division; Square head portion is arranged in fluting, the second bar shaped plugging position in groove alsoStretch out groove;
The second detection terminal contact chip, described the second detection terminal contact chip comprises the side of havingThe dististyle of shape slot, described dististyle has square main part and Article 3 shape Plug Division; InstituteStating the second detection terminal contact chip is arranged between accommodating cavity and dististyle upper surface and the first inspectionSurvey the contact of terminal shaped as frame head lower surface, the second detection terminal square head portion lower surface and sideThe contact of shape main part upper surface; On described base, offer relative with Article 3 shape Plug DivisionSecond inserting groove of answering, Article 3 shape Plug Division is plugged in the second inserting groove and stretches outTwo inserting grooves;
Described the first wall upper surface is also provided with many connecting portions, described connecting portion bottom twoRoll and extend to form obliquely both wing portions;
Described connecting portion inserts in insertion groove, and the shaped as frame head of described the first detection terminal is insertedEnter to detect in hole.
The present invention has following beneficial effect compared to existing technology:
1, fiber-optical socket, Optical fiber plug and fiber detection module by plug, container cavity,Detect the structures such as hole and be fixedly connected with, syndeton is more simple and overall structure is more compact.
2, form Access Division in plug inside, on optical fiber, put and described Access Division phaseThe optical fiber cover of joining, in the time that optical fiber is plugged in plug, optical fiber is fastened in plug,Its good fixing effect, and without any parts or hole are offered in plug outside, have goodSealing effectiveness and security performance;
3, fiber detection module is arranged at fiber coupler below, and insertion section and insertion are setGroove makes fiber detection module energy well and fiber coupler combination, also makes inspection simultaneouslySurvey terminal and can go deep into smoothly the optical fiber in detection insertion coupler in coupler;
4, multiple detection terminals reasonably configure to pedestal, in structure more compact and byIn the detection mode that adopts frame for movement, detection error rate reduces greatly.
Brief description of the drawings
Fig. 1 is the perspective view of fiber coupler of the present invention;
Fig. 2 is the generalized section of fiber coupler of the present invention;
Fig. 3 is the perspective view of Optical fiber plug in Fig. 1;
Fig. 4 is the perspective view of header body in Fig. 3;
Fig. 5 is the perspective view of optical fiber cover in Fig. 3;
Fig. 6 is the perspective view of fiber-optical socket in Fig. 1;
Fig. 7 is the perspective view at another visual angle of fiber coupler in Fig. 6;
Fig. 8 is the back perspective view of fiber coupler in Fig. 6;
Fig. 9 is the perspective view of fiber detection module in Fig. 1;
Figure 10 is the perspective view at another visual angle of fiber detection module in Fig. 9;
Figure 11 is the exploded perspective view of fiber detection module in Fig. 9;
Figure 12 is the perspective view of pedestal in Fig. 9;
Figure 13 is another visual angle perspective view of pedestal in Figure 12.
Detailed description of the invention
Below specific embodiments of the invention by reference to the accompanying drawings, to technical side of the present inventionCase is further described, but the present invention is not limited to these embodiment.
Please refer to Fig. 1-Figure 13, fiber coupler of the present invention, it comprise Optical fiber plug 100,Fiber-optical socket 200 and detection module 300. Optical fiber plug 100 is in fiber-optical socket 200In, fiber-optical socket 200 comprises symmetrically arranged front socket body 200 ＇ and rear socket originallyBody 200 ", front socket body 200 ＇ and rear socket body 200 are " with demarcation strip 201For symmetrical plate is symmetrical arranged, demarcation strip 201 middle parts are provided with and are communicated with front socket body 200 ＇" and shape and the suitable optical fiber container cavity 202 of optical fiber with rear socket body 200; BeforeJack body 200 ＇ inside offer plug container cavity 210; At the bottom of front socket body 200 ＇Portion is also formed with for detection module 300 and inserts fixing insertion groove 2200 and supply test sideThe detection hole 2300 that son inserts.
Described Optical fiber plug 100 comprises header body 110, optical fiber 120 and optical fiber cover130, described optical fiber cover 130 is sheathed on optical fiber and is plugged in header body 110.
Described header body 110 tops are provided with shell fragment 140, and described shell fragment 140 comprisesSquare cushion block 141, by the upwardly extending tongue 142 of square cushion block 141 sloped-end, instituteStating tongue 142 is the arc surface caving inward with square cushion block 141 contact-making surfaces, described tonguePortion 142 both sides form two lugs 143, and described tongue 143 ends are upwards extended with projectionPortion 144.
Described plug container cavity 210 is arranged at the divider of plug container cavity two madial walls220 are divided into shape and suitable header body container cavity 230 Hes of header body 110The shell fragment container cavity 240 that shape and shell fragment 140 are suitable; Described shell fragment container cavity 240Comprise cushion block container cavity 241 and shape and tongue that shape and square cushion block 141 are suitableThe tongue container cavity 242 that portion 143 is suitable.
In the time of Optical fiber plug and fiber-optical socket grafting, the each several part of Optical fiber plug can be ideallyBe connected in the each container cavity in fiber-optical socket good stability.
Preferably, header body container cavity 230 front end faces are the arc surface caving inward.
Preferably, in described header body 110, be formed with front cylindrical hole 111 and afterCylindrical hole 112, and be arranged at front cylindrical hole 111 and rear cylindrical holeBetween 112 optical fiber Access Division 113; Described optical fiber Access Division 113 comprises and front cylinderShape through hole forms the hexagonal hole 114 of ladder, described hexagonal hole 114 bases respectively toInside extend to form transition part 115, described transition part 115 bases and rear cylindrical hole itBetween connect by arc connecting portion 116.
Described optical fiber overlaps 130 middle parts and forms through hole, and optical fiber overlaps 130 middle parts and is shaped as and instituteState the hexagon that hexagonal hole 114 matches, one side outer end, described optical fiber cover middle part toOptical fiber outer surface extends to form rake 131, and opposite side inner end prolongs to optical fiber outer surfaceStretch and form coated portion 132; When grafting, described optical fiber middle part is plugged in described hexagonal holeIn 114, described rake 131 is plugged in described transition part 115.
Coated portion 132 is coated by optical fiber 120 sides, and optical fiber overlaps 130 middle parts and optical fiberHexagonal hole 114 clampings of Access Division 113, optical fiber cover 130 can not be in optical fiber Access DivisionThereby the circular runout of optical fiber has been avoided in 113 interior rotations. The inclination of optical fiber cover 130 simultaneouslyPortion 131 supports mutually with transition part 115, has avoided the axial runout of optical fiber. By above-mentionedMode is by stable optical fiber being fixed in header body. And because those parts all arrangeIn plug inside, therefore its waterproof and dustproof effect can not reduce.
Described detection module 300 comprises pedestal 310, multiple the first detection terminal 320,Two detection terminals 330 and the second detection terminal contact chip 340. Pedestal 310 is for holdingReceive the first detection terminal 320, the second detection terminal 320 and the contact of the second detection terminalSheet 340, and pedestal 310 can combine with fiber-optical socket 200.
Pedestal 310 comprises the first wall 311, is let droop by the relative dual-side of the first wall 311Straight the second wall 312 and the 3rd wall 313 extending, and by the first wall 311, the second wall312 are connected with the 3rd wall 313 bottom surfaces and thickness is greater than the first wall 311, the second wall 312Base 314 with the 3rd wall 313; Base 314, the first wall 311, the second wall 312 andThe 3rd wall 313 surrounds accommodating cavity 315.
The first wall 311 front end faces extensions are provided with many and extend bars 316, adjacent extension barBetween form the first detection terminal holding tank 3161; Described the first wall 311 inner surfaces are also establishedBe equipped with the second detection terminal accommodation section 317, described the second detection terminal accommodation section front end shapeBecome fluting 3171, in main part, be formed with and be communicated with this fluting and connect main part and baseGroove 3172.
Multiple the first detection terminals 320 comprise shaped as frame head 321 and the first bar shaped graftingPortion 322; On described base 314, offer corresponding with the first bar shaped Plug Division 322Multiple the first inserting grooves 3141; When grafting, shaped as frame head 321 is positioned at the first detection terminalIn holding tank 3161, the first bar shaped Plug Division 322 is plugged in the first inserting groove 3141And stretch out the first inserting groove 3141.
The second detection terminal 330 comprises square head portion 331 and the second bar shaped Plug Division332; Square head portion 331 is arranged in fluting 3171, the second bar shaped Plug Divisions 332 and is positioned atIn groove 3172 and stretch out groove 3172.
The second detection terminal contact chip 340 comprises the dististyle 341 with square slot 342,There is the dististyle 341 of square main part 3411 and Article 3 shape Plug Division 3412; DescribedThe second detection terminal contact chip 340 is arranged at table between accommodating cavity 315 and on dististyle 341Face contacts with the first detection terminal shaped as frame head 321 lower surfaces, and the second detection terminal is squareHead 331 lower surfaces contact with square main part 3411 upper surfaces; Described base 314On offer second inserting groove 3142, the corresponding with Article 3 shape Plug Division 3412Three bar shaped Plug Divisions 3412 are plugged in the second inserting groove 3142 and stretch out the second inserting groove3142。
Described the first wall 311 upper surfaces are also provided with many connecting portions 3111, described connectionPortion's two bottom sides is tilted to and extends to form both wing portions 3112.
Connecting portion 3111 inserts in insertion groove 2200, the shaped as frame of the first detection terminal 320Head 321 inserts and detects in hole 2300.
In the time that Optical fiber plug inserts fiber-optical socket, header body will be convexly set in optical fiber container cavityIn the shaped as frame head of the first detection terminal push downwards, now the first detection terminal and lightOptical fiber electric connection in fine plug, the performance of beginning detection fiber. Meanwhile, shaped as frame headWhen extruding downwards, the square main part of the second detection terminal contact chip is also made to pressing downThe second detection terminal separates with detection fiber detection module with the second detection terminal contact chipBreak-make.
Specific embodiment described herein is only to the theory for example of the present invention's spiritBright. Those skilled in the art can be to described specific embodimentMake various amendments or supplement or adopt similar mode to substitute, but can't depart fromSpirit of the present invention or surmount the defined scope of appended claims.
Claims (4)
1. a fiber coupler, is characterized in that: comprise Optical fiber plug, fiber-optical socketAnd detection module, described Optical fiber plug is plugged in fiber-optical socket; Described Optical fiber plugComprise header body, optical fiber and optical fiber cover, described optical fiber cover is sheathed on optical fiber and insertsBe connected in header body; In described header body, be formed with front cylindrical hole and rear cylinderShape through hole, and be arranged at the sonet card between front cylindrical hole and rear cylindrical holeMeet portion; Described optical fiber Access Division comprises the hexagonal hole that forms ladder with front cylindrical hole,The described hexagonal hole base formation transition part that extends internally respectively, described transition part base withBetween rear cylindrical hole, connect by arc connecting portion; Described optical fiber cover middle part forms logicalHole, optical fiber cover middle part is shaped as the hexagon matching with described hexagonal hole, described lightOne side outer end, fine cover middle part extends to form rake to optical fiber outer surface, opposite side the innerPortion extends to form coated portion to optical fiber outer surface; When grafting, described optical fiber middle part is plugged inIn described hexagonal hole, described rake is plugged in described transition part; Described optical fiber is insertedSeat comprises symmetrically arranged front socket body and rear socket body, described front socket body andRear socket body is symmetrical arranged taking demarcation strip as symmetrical plate, and described demarcation strip middle part is provided withBeing communicated with the suitable optical fiber of front socket body and rear socket body and shape and optical fiber holdsChamber; Described front socket body interior offers plug container cavity; At the bottom of described front socket bodyPortion is also formed with for detection module and inserts fixing insertion groove and supply detection terminal to insertDetect hole.
2. fiber coupler according to claim 1, is characterized in that: described insertingBody top is provided with shell fragment, and described shell fragment comprises square cushion block, by square cushion block endPortion's upwardly extending tongue that tilts, described tongue and square cushion block contact-making surface are for caving inwardArc surface, described tongue both sides form two lugs, described tongue end is upwards extended withLug boss; Described plug container cavity is arranged at the divider of plug container cavity two madial wallsBe divided into shape and header body suitable header body container cavity and shape and shell fragment phaseAdaptive shell fragment container cavity; Described shell fragment container cavity comprise shape and square cushion block suitableSquare cushion block container cavity and shape and the suitable tongue container cavity of tongue.
3. fiber coupler according to claim 2, is characterized in that: described insertingBody container cavity front end face is the arc surface caving inward.
4. according to the fiber coupler described in claims 1 to 3 any one, its feature existsIn: described detection module comprises pedestal, and described pedestal comprises the first wall, by the first wall phaseThe second wall that dual-side is extended downward vertically and the 3rd wall, and by the first wall, secondWall is connected with the 3rd wall bottom surface and thickness is greater than the base of the first wall, the second wall and the 3rd wall;Base, the first wall, the second wall and the 3rd wall surround accommodating cavity; The first wall front end face extendsBe provided with many and extend bar, between adjacent extension bar, form the first detection terminal holding tank;Described the first wall inner surface is also provided with the second detection terminal accommodation section, and described second detectsTerminal accommodation section front end forms fluting, is formed with and is communicated with this fluting and connects main in main partThe groove of body and base;
Multiple the first detection terminals, described multiple the first detection terminals comprise shaped as frame head withAnd the first bar shaped Plug Division; On described base, offer corresponding with the first bar shaped Plug DivisionMultiple the first inserting grooves; When grafting, shaped as frame head is positioned at the first detection terminal holding tankIn, the first bar shaped Plug Division is plugged in the first inserting groove and stretches out the first inserting groove;
The second detection terminal, described the second detection terminal comprises square head portion and Article 2Shape Plug Division; Square head portion is arranged in fluting, the second bar shaped plugging position in groove alsoStretch out groove;
The second detection terminal contact chip, described the second detection terminal contact chip comprises the side of havingThe dististyle of shape slot, described dististyle has square main part and Article 3 shape Plug Division; InstituteStating the second detection terminal contact chip is arranged between accommodating cavity and dististyle upper surface and the first inspectionSurvey the contact of terminal shaped as frame head lower surface, the second detection terminal square head portion lower surface and sideThe contact of shape main part upper surface; On described base, offer relative with Article 3 shape Plug DivisionSecond inserting groove of answering, Article 3 shape Plug Division is plugged in the second inserting groove and stretches outTwo inserting grooves;
Described the first wall upper surface is also provided with many connecting portions, described connecting portion bottom twoRoll and extend to form obliquely both wing portions;
Described connecting portion inserts in insertion groove, and the shaped as frame head of described the first detection terminal is insertedEnter to detect in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242555.7A CN104020530B (en) | 2014-05-30 | 2014-05-30 | A kind of fiber coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242555.7A CN104020530B (en) | 2014-05-30 | 2014-05-30 | A kind of fiber coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104020530A CN104020530A (en) | 2014-09-03 |
| CN104020530B true CN104020530B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410242555.7A Active CN104020530B (en) | 2014-05-30 | 2014-05-30 | A kind of fiber coupler |
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| CN (1) | CN104020530B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790826B (en) * | 2014-12-22 | 2019-05-24 | 中兴通讯股份有限公司 | Fiber-optic monitoring method, apparatus and fiber adapter |
| CN110455496B (en) * | 2019-08-29 | 2024-08-02 | 广州奥鑫通讯设备有限公司 | Automatic test device for optical fiber coupler |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5923805A (en) * | 1997-12-22 | 1999-07-13 | Lucent Technologies Inc. | Connector for plastic optical fiber |
| CN1393715A (en) * | 2001-06-21 | 2003-01-29 | 菲特尔美国公司 | Optical connector plug |
-
2014
- 2014-05-30 CN CN201410242555.7A patent/CN104020530B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5923805A (en) * | 1997-12-22 | 1999-07-13 | Lucent Technologies Inc. | Connector for plastic optical fiber |
| CN1393715A (en) * | 2001-06-21 | 2003-01-29 | 菲特尔美国公司 | Optical connector plug |
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| Publication number | Publication date |
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| CN104020530A (en) | 2014-09-03 |
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Address after: 315191, No. 6, high voltage Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee after: ZHEJIANG SHIP ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 315191, No. 31, North Road, Jiangshan Town, Yinzhou District, Zhejiang, Ningbo Patentee before: ZHEJIANG SHIP ELECTRONIC TECHNOLOGY Co.,Ltd. |